fix merge errors

Co-authored-by: Christoph <tobi@urpost.de>

src/main/java/mops/gruppen2/domain/dto/EventDTO.java

@@ -1,11 +1,13 @@
 package mops.gruppen2.domain.dto;
 
-import lombok.Value;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.relational.core.mapping.Table;
 
 @Table("event")
-@Value
+@Getter
+@AllArgsConstructor
 public class EventDTO {
 
     @Id

src/main/java/mops/gruppen2/domain/dto/InviteLinkDTO.java

@@ -1,12 +1,13 @@
 package mops.gruppen2.domain.dto;
 
-import lombok.Value;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.relational.core.mapping.Table;
 
-@SuppressWarnings("checkstyle:membername")
 @Table("invite")
-@Value
+@Getter
+@AllArgsConstructor
 public class InviteLinkDTO {
 
     @Id

src/main/java/mops/gruppen2/service/ControllerService.java

@@ -13,6 +13,7 @@ import mops.gruppen2.domain.event.UpdateGroupDescriptionEvent;
 import mops.gruppen2.domain.event.UpdateGroupTitleEvent;
 import mops.gruppen2.domain.event.UpdateRoleEvent;
 import mops.gruppen2.domain.exception.EventException;
+import mops.gruppen2.domain.exception.UserNotFoundException;
 import mops.gruppen2.security.Account;
 import org.springframework.stereotype.Service;
 
@@ -98,7 +99,11 @@ public class ControllerService {
                 user = member;
             }
         }
-        assert user != null;
+
+        if (user == null) {
+            throw new UserNotFoundException(this.getClass().toString());
+        }
+
         if (group.getRoles().get(user.getId()) == Role.ADMIN) {
             updateRoleEvent = new UpdateRoleEvent(groupId, user.getId(), Role.MEMBER);
         } else {